274 SUMACH, SMOOTH SUMACH, SWEET. 



a deep green colour with a mixture of strong sulphuric 

 acid 8 parts, and water 2 parts, recently made. The 

 seeds of S. hispidus^ D.C., are smaller and brown, but 

 give the same reaction. 



SUMACH, SMOOTH. Rhus glabra, Linn. 



N.O. Anacardiacea. 



Syn, Upland Sumach, Pennsylvania Sumach. 

 Parts used Bark, berries. 



Action Astringent, alterative, tonic. Berries : refri- 

 gerant, diuretic. The bark is useful in diarrhoea, 

 dysentery, gonorrhoea, and leucorrhosa. The decoction 

 of i ounce to a pint of water is used in doses of a wine- 

 glassful or more internally, externally as an application 

 or lotion. The berries are used in bowel complaints, 

 febrile diseases, &c. An infusion of i ounce of berries 

 in a pint of boiling water is taken in wineglassful doses. 



Preparations Fluid extract, bark: Dose, i-2drachms. 

 Fluid extract, berries: Dose, 1-2 drachms. Rhusin : 

 Dose, 1-2 grains. 



Distinctive character The root bark occurs in 

 quilled pieces about 2 inches long and - inch in 

 diameter, dull reddish brown, with scattered trans- 

 versely-oval lenticels. Fracture whitish or brown, with 

 transverse rows of minute blackish, linear oil cells. 

 Taste, gummy, astringent. Odour, none. 



SUMACH, SWEET. Rhus aromatica, Ait. 



N.O. Anacardiaceoe. 

 Syn. Fragrant Sumach. 



Part used Bark of root. 



Action Astringent, diuretic. Largely used in 

 diabetes and in the treatment of excessive discharges 



